Sheet metal nail



FIG. 1 is a top perspective view of a sheet metal nail showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is an end elevational view taken from the right of FIG. 3; and

FIG. 5 is an end view thereof taken from the left of FIG. 1.

The sheet metal nail is shown broken away to indicate indeterminate length. 

The ornamental design for a sheet metal nail, as shown and described. 